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基于Quartus13.0的EDA課程的Verilog代碼
2. 基本要求 (1)根據圖 1 分析一輛車進入停車場時兩個傳感器 ab 依次產生的信號序列及對應的狀態;
(2)設計一個有限狀態機 FSM,根據兩個傳感器信號,確定是否有車輛進入停車場,考慮 可能有行人干擾或其他非正常狀況。當檢測到一輛車真正進入停車場時(以車輛尾部離 開傳感器為準),計數器加 1。使用開關模擬兩個傳感器信號,用一個 7 段數碼管顯示 進入停車場的車輛數。選擇合適的時鐘頻率,電路應具有復位控制。
3. 提高部分 在基本要求基礎上,設計一個有限狀態機 FSM,當檢測到車輛進入或離開停車場時, 計數器加 1 或減 1(假設停車場只有一個出入口),用一個 7 段數碼管顯示停車場里停留 的車輛數。

代碼片段和文件信息
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????5720??2018-04-16?22:06??EDA200532_0302\db\EDA200532_0302.(0).cnf.cdb
?????文件???????2885??2018-04-16?22:06??EDA200532_0302\db\EDA200532_0302.(0).cnf.hdb
?????文件???????2513??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.asm.qmsg
?????文件???????1415??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.asm.rdb
?????文件???????7797??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.asm_labs.ddb
?????文件?????????96??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cbx.xml
?????文件????????695??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.bpm
?????文件??????14064??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.cdb
?????文件??????11841??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cmp.hdb
?????文件???????8026??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.idb
?????文件????????211??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.kpt
?????文件??????11620??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.logdb
?????文件??????19986??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cmp.rdb
?????文件????????216??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp_merge.kpt
?????文件?????746763??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cycloneive_io_sim_cache.45um_ff_1200mv_0c_fast.hsd
?????文件?????745244??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cycloneive_io_sim_cache.45um_ss_1200mv_0c_slow.hsd
?????文件?????740239??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cycloneive_io_sim_cache.45um_ss_1200mv_85c_slow.hsd
?????文件????????140??2018-05-10?21:21??EDA200532_0302\db\EDA200532_0302.db_info
?????文件???????5563??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.eda.qmsg
?????文件??????28259??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.fit.qmsg
?????文件???????1009??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.hier_info
?????文件????????499??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.hif
?????文件????????163??2018-05-10?21:21??EDA200532_0302\db\EDA200532_0302.ipinfo
?????文件????????372??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.lpc.html
?????文件????????399??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.lpc.rdb
?????文件???????1060??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.lpc.txt
?????文件????????123??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.map.ammdb
?????文件????????653??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.map.bpm
?????文件???????5463??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.map.cdb
?????文件??????11245??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.map.hdb
............此處省略114個文件信息
-----------?---------??----------?-----??----
?????文件???????5720??2018-04-16?22:06??EDA200532_0302\db\EDA200532_0302.(0).cnf.cdb
?????文件???????2885??2018-04-16?22:06??EDA200532_0302\db\EDA200532_0302.(0).cnf.hdb
?????文件???????2513??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.asm.qmsg
?????文件???????1415??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.asm.rdb
?????文件???????7797??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.asm_labs.ddb
?????文件?????????96??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cbx.xm
?????文件????????695??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.bpm
?????文件??????14064??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.cdb
?????文件??????11841??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cmp.hdb
?????文件???????8026??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.idb
?????文件????????211??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.kpt
?????文件??????11620??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp.logdb
?????文件??????19986??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cmp.rdb
?????文件????????216??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.cmp_merge.kpt
?????文件?????746763??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cycloneive_io_sim_cache.45um_ff_1200mv_0c_fast.hsd
?????文件?????745244??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cycloneive_io_sim_cache.45um_ss_1200mv_0c_slow.hsd
?????文件?????740239??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.cycloneive_io_sim_cache.45um_ss_1200mv_85c_slow.hsd
?????文件????????140??2018-05-10?21:21??EDA200532_0302\db\EDA200532_0302.db_info
?????文件???????5563??2018-04-17?09:29??EDA200532_0302\db\EDA200532_0302.eda.qmsg
?????文件??????28259??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.fit.qmsg
?????文件???????1009??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.hier_info
?????文件????????499??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.hif
?????文件????????163??2018-05-10?21:21??EDA200532_0302\db\EDA200532_0302.ipinfo
?????文件????????372??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.lpc.html
?????文件????????399??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.lpc.rdb
?????文件???????1060??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.lpc.txt
?????文件????????123??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.map.ammdb
?????文件????????653??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.map.bpm
?????文件???????5463??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.map.cdb
?????文件??????11245??2018-04-17?09:28??EDA200532_0302\db\EDA200532_0302.map.hdb
............此處省略114個文件信息
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